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Finding the Third Proportional to 238.13 and 350.25

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Solution

The third proportional to 238.13 and 350.25 is: 515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.13 : 350.25 = 350.25 : x
  2. Step 2: Convert to fraction form
    238.13/350.25 = 350.25/x
  3. Step 3: Cross multiply
    238.13x = 350.25 × 350.25
  4. Step 4: Simplify right side
    238.13x = 122,675.06
  5. Step 5: Solve for x
    x = 122,675.06/238.13
  6. Step 6: Final answer
    x = 515.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.